M25 crash J26 anticlockwise

Crash on the M25 anticlockwise at J26 on Wednesday 23 September 2026, from 06:36. Cleared at 01:01 after 498 h 26 min. Timeline of reports from TomTom, the motorway signs and National Highways.

Status

Cleared 01:01 on 14 Oct 2026, after 498 h 26 min

Location

M25 anticlockwise · J26

Reported as

Collision

Lanes

2 of 4 lanes closed

At its worst

Stationary traffic · delay ~129 min

Sources

TomTom ×28 · Motorway signs ×10 · National Highways ×9 · 1 driver report

Timeline

1. Wed 06:36 TomTom: queueing traffic, “Slow traffic”, delay ~7 min
2. Wed 07:08 TomTom: queueing traffic, “Slow traffic”, delay ~9 min
3. Wed 07:08 TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
4. Wed 07:08 TomTom: collision, “Stationary traffic, Accident”, delay ~12 min
5. Wed 07:08 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
6. Wed 07:15 TomTom: “Queuing traffic”
7. Wed 07:43 TomTom no longer reports it
8. Wed 07:43 All clear: no source reports it any more
9. Wed 07:58 Motorway signs: “COLLISION”
10. Wed 07:58 National Highways: 1 of 4 lanes closed
11. Wed 07:58 National Highways: 1 of 4 lanes closed
12. Wed 08:04 TomTom: collision, “Accident, Lane closed”
13. Wed 08:04 TomTom: collision, “Accident, Lane closed”
14. Wed 08:09 National Highways: 1 of 4 lanes closed
15. Wed 08:10 Motorway signs: “LANE CLOSED FOR INCIDENT ACCESS”
16. Wed 08:11 TomTom: “Slow traffic”
17. Wed 08:13 TomTom: collision, “Accident, Lane closed”
18. Wed 08:24 TomTom: delay now ~22 min (was ~12)
19. Wed 08:39 National Highways: lane closure lifted
20. Wed 08:52 TomTom: now says queueing traffic, “Stationary traffic”
21. Wed 08:54 Motorway signs no longer show “LANE CLOSED FOR INCIDENT ACCESS”
22. Wed 08:54 Motorway signs no longer show “COLLISION”
23. Wed 08:57 TomTom: collision, “Accident”, 1 driver report
24. Wed 09:03 National Highways: lane closure lifted
25. Wed 09:03 All clear: no source reports it any more
26. Wed 09:04 TomTom: queueing traffic, “Slow traffic”, delay ~6 min
27. Wed 09:06 TomTom: delay now ~12 min (was ~25), “Slow traffic”
28. Wed 09:35 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
29. Wed 10:02 TomTom no longer reports it
30. Wed 10:02 All clear: no source reports it any more
31. Wed 10:08 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
32. Wed 10:31 TomTom: queueing traffic, “Stationary traffic”, delay ~6 min
33. Wed 10:43 Motorway signs: “STRANDED VEHICLE”
34. Wed 10:43 Motorway signs: “STRANDED VEHICLE-SLOW”
35. Wed 10:54 TomTom: queueing traffic, “Queuing traffic”, delay ~10 min
36. Wed 10:54 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
37. Wed 10:57 TomTom: “Queuing traffic”
38. Wed 11:11 TomTom: “Slow traffic”
39. Wed 11:19 Motorway signs: “REPORT OF COLLISION”
40. Wed 11:25 Motorway signs no longer show “STRANDED VEHICLE”
41. Wed 11:25 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
42. Wed 11:52 TomTom: “Queuing traffic”
43. Wed 12:05 Motorway signs: “DEBRIS IN ROAD”
44. Wed 12:06 TomTom: delay now ~28 min (was ~16), “Stationary traffic”
45. Wed 12:16 Motorway signs: “REPORT OF OBSTRUCTION”
46. Wed 12:25 Motorway signs no longer show “REPORT OF COLLISION”
47. Wed 12:34 TomTom: “Queuing traffic”
48. Wed 12:46 Motorway signs: “REPORT OF OBSTRUCTION”
49. Wed 12:48 TomTom: “Stationary traffic”
50. Wed 12:55 Motorway signs no longer show “REPORT OF OBSTRUCTION”
51. Wed 12:55 Motorway signs no longer show “DEBRIS IN ROAD”
52. Wed 13:04 TomTom: lane closure, “Hard shoulder closed”
53. Wed 13:25 Motorway signs no longer show “REPORT OF OBSTRUCTION”
54. Wed 13:29 TomTom no longer reports it
55. Wed 13:29 All clear: no source reports it any more
56. Fri 19:42 Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
57. Fri 19:42 Motorway signs: “STRANDED VEHICLE” (reported again)
58. Fri 20:12 Motorway signs no longer show “STRANDED VEHICLE”
59. Fri 20:12 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
60. Fri 20:12 All clear: no source reports it any more
61. Sat 09:46 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
62. Sat 16:42 Motorway signs: “OBSTRUCTION ON SLIP ROAD”
63. Sat 16:48 Motorway signs no longer show “REPORT OF OBSTRUCTION”
64. Sat 17:18 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
65. Sat 17:18 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
66. Sat 18:54 TomTom: collision, “Stationary traffic, Accident”, delay ~19 min
67. Sat 19:03 TomTom: delay now ~30 min (was ~19)
68. Sat 19:17 TomTom no longer reports it
69. Sat 23:57 Motorway signs no longer show “REPORT OF OBSTRUCTION”
70. Sat 23:57 All clear: no source reports it any more
71. Tue 16:42 Motorway signs: “STRANDED VEHICLE” (reported again)
72. Tue 16:42 Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
73. Tue 16:47 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
74. Tue 16:56 TomTom no longer reports it
75. Tue 17:13 Motorway signs no longer show “STRANDED VEHICLE”
76. Tue 17:13 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
77. Tue 17:13 All clear: no source reports it any more
78. Wed 14:17 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
79. Wed 15:18 Motorway signs no longer show “REPORT OF OBSTRUCTION”
80. Wed 15:18 All clear: no source reports it any more
81. Wed 19:49 Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
82. Wed 20:19 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
83. Wed 20:19 All clear: no source reports it any more
84. Sat 18:51 National Highways: 2 of 4 lanes closed
85. Sat 19:11 Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
86. Sat 19:19 TomTom: collision, “Stationary traffic, Incident”, delay ~52 min
87. Sat 19:22 TomTom: delay now ~24 min (was ~52)
88. Sat 19:27 TomTom: now says queueing traffic, delay now ~13 min (was ~24), “Stationary traffic”
89. Sat 19:32 TomTom no longer reports it
90. Sat 19:33 National Highways: lane closure lifted
91. Sat 19:41 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
92. Sat 19:41 All clear: no source reports it any more
93. Sun 03:43 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
94. Sun 17:32 Motorway signs: still reported after more than 12 hours, so treated as out of date
95. Sun 17:32 All clear: no source reports it any more
96. Sun 20:48 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
97. Mon 07:18 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
98. Mon 07:23 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
99. Mon 07:32 TomTom no longer reports it
100. Mon 07:41 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
101. Mon 07:55 TomTom no longer reports it
102. Mon 08:04 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
103. Mon 08:09 TomTom no longer reports it
104. Mon 16:44 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
105. Mon 16:50 National Highways: 1 of 4 lanes closed
106. Mon 16:54 Motorway signs no longer show “REPORT OF OBSTRUCTION”
107. Mon 17:06 TomTom: “Slow traffic”
108. Mon 17:15 TomTom no longer reports it
109. Mon 17:18 National Highways: lane closure lifted
110. Mon 17:18 All clear: no source reports it any more
111. Mon 17:24 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
112. Mon 17:54 Motorway signs no longer show “REPORT OF OBSTRUCTION”
113. Mon 17:54 All clear: no source reports it any more
114. Tue 13:58 National Highways: 1 of 4 lanes closed
115. Tue 14:29 Motorway signs: “STRANDED VEHICLE” (reported again)
116. Tue 14:29 Motorway signs: “STRANDED VEHICLE-SLOW” (reported again)
117. Tue 14:39 National Highways: lane closure lifted
118. Tue 14:59 Motorway signs no longer show “STRANDED VEHICLE”
119. Tue 14:59 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
120. Tue 14:59 All clear: no source reports it any more
121. Tue 15:47 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
122. Tue 15:52 TomTom no longer reports it
123. Tue 15:52 All clear: no source reports it any more
124. Thu 15:56 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
125. Thu 16:39 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
126. Thu 16:48 TomTom no longer reports it
127. Thu 16:53 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
128. Thu 17:25 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
129. Thu 17:29 TomTom: “Queuing traffic”
130. Thu 17:34 TomTom: delay now ~4 min (was ~11), “Slow traffic”
131. Thu 17:48 TomTom: “Queuing traffic”
132. Thu 17:52 TomTom: queueing traffic, “Queuing traffic”, delay ~7 min
133. Thu 17:56 Motorway signs no longer show “REPORT OF OBSTRUCTION”
134. Thu 17:57 TomTom: “Slow traffic”
135. Thu 17:57 TomTom: delay now ~13 min (was ~7), “Stationary traffic”
136. Thu 18:06 TomTom: “Queuing traffic”
137. Thu 18:15 TomTom no longer reports it
138. Thu 18:15 All clear: no source reports it any more
139. Thu 18:20 TomTom: queueing traffic, “Stationary traffic”, delay ~10 min (reported again)
140. Thu 18:24 TomTom no longer reports it
141. Thu 19:26 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
142. Thu 20:23 TomTom: collision, “Stationary traffic, Incident”, delay ~22 min (reported again)
143. Thu 20:25 Motorway signs: “REPORT OF OBSTRUCTION”
144. Thu 20:28 TomTom: delay now ~12 min (was ~22)
145. Thu 20:33 TomTom: delay now ~22 min (was ~12)
146. Thu 20:37 TomTom: delay now ~36 min (was ~22)
147. Thu 20:46 TomTom: delay now ~54 min (was ~39)
148. Thu 20:55 TomTom: delay now ~90 min (was ~69), “Stationary traffic, Accident”
149. Thu 20:57 Motorway signs no longer show “REPORT OF OBSTRUCTION”
150. Thu 21:00 TomTom no longer reports it
151. Thu 21:00 All clear: no source reports it any more
152. Thu 21:05 TomTom: collision, “Stationary traffic, Accident”, delay ~60 min
153. Thu 21:09 TomTom: delay now ~25 min (was ~60)
154. Thu 21:14 TomTom: delay now ~34 min (was ~25)
155. Thu 21:18 TomTom: delay now ~62 min (was ~34)
156. Thu 21:23 TomTom: delay now ~89 min (was ~62)
157. Thu 21:28 TomTom: delay now ~129 min (was ~89)
158. Thu 21:37 TomTom: now says queueing traffic, delay now ~84 min (was ~128), “Stationary traffic”
159. Thu 21:41 TomTom no longer reports it
160. Fri 08:26 Motorway signs: still reported after more than 12 hours, so treated as out of date
161. Fri 08:26 All clear: no source reports it any more
162. Fri 16:09 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
163. Sat 01:58 Motorway signs: still reported after more than 12 hours, so treated as out of date
164. Sat 01:58 All clear: no source reports it any more
165. Tue 06:26 Motorway signs: “OBSTRUCTION ON SLIP ROAD” (reported again)
166. Tue 06:56 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
167. Tue 06:56 All clear: no source reports it any more
168. Tue 07:27 Motorway signs: “COLLISION” (reported again)
169. Tue 08:57 Motorway signs no longer show “COLLISION”
170. Tue 08:57 All clear: no source reports it any more
171. Tue 09:14 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
172. Tue 09:41 TomTom: “Queuing traffic”
173. Tue 09:50 TomTom: “Slow traffic”
174. Tue 09:57 National Highways: 1 of 4 lanes closed
175. Tue 10:13 TomTom: “Queuing traffic”
176. Tue 10:17 TomTom: “Stationary traffic”
177. Tue 10:27 TomTom: “Queuing traffic”
178. Tue 10:36 TomTom: delay now ~11 min (was ~16)
179. Tue 10:40 TomTom: “Slow traffic”
180. Tue 10:42 National Highways: lane closure lifted
181. Tue 11:08 TomTom no longer reports it
182. Tue 11:08 All clear: no source reports it any more
183. Tue 11:49 TomTom: queueing traffic, “Slow traffic”, delay ~5 min (reported again)
184. Tue 11:59 TomTom no longer reports it
185. Tue 11:59 All clear: no source reports it any more
186. Tue 12:28 Motorway signs: “OBSTRUCTION ON SLIP ROAD” (reported again)
187. Tue 13:55 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
188. Tue 13:55 All clear: no source reports it any more
189. Tue 18:30 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
190. Wed 00:01 Motorway signs no longer show “REPORT OF OBSTRUCTION”
191. Wed 00:01 All clear: no source reports it any more
192. Wed 00:31 Motorway signs: “REPORT OF OBSTRUCTION” (reported again)
193. Wed 01:01 Motorway signs no longer show “REPORT OF OBSTRUCTION”
194. Wed 01:01 All clear: no source reports it any more

Source reports

• Queuing traffic
• Slow traffic
• Accident, Lane closed
• Overhead signs read “LANE CLOSED FOR INCIDENT ACCESS” (1 sign; furthest along: M25 anti-clockwise between J26 and J25).
• Overhead signs read “COLLISION” (2 signs; furthest along: M25 anti-clockwise between J26 and J25).
• M25 anti-clockwise between J26 and J25
• M25 anti-clockwise within J26
• Accident
• Overhead signs read “STRANDED VEHICLE” (1 sign; furthest along: M25 anti-clockwise between J26 and J25).
• Overhead signs read “STRANDED VEHICLE-SLOW” (1 sign; furthest along: M25 anti-clockwise between J26 and J25).
• Stationary traffic
• Overhead signs read “REPORT OF COLLISION” (8 signs; furthest along: M25 clockwise between J25 and J26).
• Overhead signs read “REPORT OF OBSTRUCTION” (1 sign; furthest along: M25 anti-clockwise between J25 and J24).
• Overhead signs read “DEBRIS IN ROAD” (1 sign; furthest along: M25 clockwise between J24 and J25).
• Overhead signs read “REPORT OF OBSTRUCTION” (3 signs; furthest along: M25 clockwise between J24 and J25).
• Hard shoulder closed
• Overhead signs read “OBSTRUCTION ON SLIP ROAD” (1 sign; furthest along: M25 anti-clockwise between J25 and J24).
• Stationary traffic, Accident
• M25 anti-clockwise between J25 and J24
• Overhead signs read “REPORT OF OBSTRUCTION” (4 signs; furthest along: M25 anti-clockwise between J24 and J23).

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• M25 crash J15 anticlockwise00:20 · cleared after 25 min
• M25 crash J11–J10 anticlockwiseyesterday 22:19 · cleared after 52 min
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• M25 crash J27–J28 clockwiseyesterday 12:31 · cleared after 37 min
• M25 crash J13–J12 anticlockwiseyesterday 06:52 · cleared after 2 h 55 min
• M25 stopped traffic J30yesterday 06:49 · cleared after 2 h 8 min

Live traffic and past incidents at M25 J26.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.